# docompare

> A private, local-first browser application for comparing text, documents, spreadsheets and folders. No uploaded files or comparison contents are sent to a server.

## Features

- [Compare text](/): Paste or load two plain-text files. See line-level and word-level differences; export a unified diff.
- [Compare documents](/documents): Compare PDF, DOCX, TXT and Markdown. Selective merge and same-format download for DOCX/TXT/MD; retains embedded images already in the destination DOCX. PDF preview and text-layer compare are read-only.
- [Compare Excel](/excel): Compare and merge selected cells in XLSX, CSV and TSV. Download a same-format merged file; existing target XLSX images, styles, formulas and drawings are retained.
- [Compare folders](/folders): Compare up to 500 files per folder by relative path and SHA-256, and preview plain-text changes.

## How it works

- The application runs entirely in a web browser. Users pick files explicitly; file data stays in the current browser tab.
- The interface language is Indonesian.
- Switching tools discards the previous tool's input data and comparison results.
- The site offers a human-facing browser UI. It does NOT expose a remote compare API, a WebMCP endpoint, or a hosted document-processing service.

## Limitations

- PDF scanning/OCR, .doc legacy Word, and .xls legacy Excel formats are not supported.
- User-provided files and their contents should never be indexed or scraped; only public feature descriptions are available for indexing.